[BIRA] Re: [s-cars] I'm finally studly... (long)
steve powers
steve at thepowers.net
Wed Jun 25 23:14:19 EDT 2003
It's pretty hard to spin an H&R stud, considering it's threaded
just like the bolt it replaces. Spun studs are pressed in which
these definitely aren't.
Loosen? possibly
spin? no...
Steve
> -----Original Message-----
> From: Mark Strangways [mailto:strangconst at rogers.com]
> Sent: Wednesday, June 25, 2003 4:53 PM
> To: 'TM'; '* S List'; 'BIRA ORG'
> Subject: [BIRA] Re: [s-cars] I'm finally studly... (long)
>
>
> Well, ....
> Where to start.
> Personally I don't find it a problem to hoist a wheel up and
> put it on the hub and line everything up. Either on the
> floor jack or hoist doesn't matter. I can see some
> advantages to studs, but not what this is all made out to
> be. I have never had a bolt that I haven't been able to
> remove, but I have had many a stud (GM typically) that spun
> with-in the hub. Now that sucks. It is a tragic waste of
> time farting around with a spun stud. Has even cost me a
> steel rim many moons ago. So, I will keep my bolts. I will
> also ** Antisieze** some rims. There I said it... Let the
> games begin :-)
>
> Mark S
> ----- Original Message -----
> From: "Scott Munger" <mungerts at uneedspeed.net>
> To: "'TM'" <t44tq at mindspring.com>; "'* S List'"
> <s-car-list at audifans.com>; "'BIRA ORG'" <birabrakes at yahoogroups.com>
> Sent: Wednesday, June 25, 2003 7:33 PM
> Subject: RE: [s-cars] I'm finally studly... (long)
>
>
> > I now see the advantages, wise one.
> >
> > BTW, a "new to me" item on the topic, I found this little
> black rod
> > in
> the
> > spare tire jack tool set. Take 1 lug out, thread the rod in, then
> > take
> the
> > others out. Makes getting the wheel on/off very easy and the rotor
> doesn't
> > go anywhere when you take the brakes off. If the rotors
> were hot, it
> > may just melt the little rod... maybe I'd upgrade to a
> stud from the
> > local
> Home
> > Depot.
> >
> > --Scott Munger
> > '93 S4
> > '97 Cabriolet
> >
> >
> >
> > > -----Original Message-----
> > > From: s-car-list-admin at audifans.com
> > > [mailto:s-car-list-admin at audifans.com]On Behalf Of TM
> > > Sent: Wednesday, June 25, 2003 4:02 PM
> > > To: mungerts at uneedspeed.net; '* S List'; 'BIRA ORG'
> > > Subject: RE: [s-cars] I'm finally studly... (long)
> > >
> > >
> > > Scott-
> > > The big pro to using studs is that it makes it much,
> much easier to
> > > mount wheels because you're not fighting to hold the
> wheel on the
> > > hub while trying to thread a lug bolt into the hub- the
> studs hold
> > > the wheel easily, making the job much easier, whether it is
> > > trackside for an autox or driver's ed event or on the
> side of the
> > > road in case of a flat tire or simply for the biannual
> tire swap if
> > > you're in the snow belt.
> > >
> > > The con to using studs is that stud replacement, should
> you make a
> > > mistake and damage the hub, requires removal and
> replacement of the
> > > hub (to the best of my knowledge, hubs are not
> repairable easily or
> > > cheaply),
> > > wheel bearing and the offending stud. Also, the cost of
> the studs as
> > > well
> > > as getting the length correct can be a minus.
> > >
> > > Taka
> > >
> > > -----Original Message-----
> > > From: s-car-list-admin at audifans.com
> > > [mailto:s-car-list-admin at audifans.com] On Behalf Of Scott Munger
> > > Sent: Tuesday, June 24, 2003 11:53 PM
> > > To: 'steve powers'; 'northwest audi enthusiasts'; '* S
> List'; 'BIRA
> > > ORG'
> > > Subject: RE: [s-cars] I'm finally studly... (long)
> > >
> > >
> > > Would you mind explaining the pros/cons of lugs versus studs?
> > >
> > > --Scott Munger
> > > '93 S4
> > > '97 Cabriolet
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: s-car-list-admin at audifans.com
> > > > [mailto:s-car-list-admin at audifans.com]On Behalf Of steve powers
> > > > Sent: Tuesday, June 24, 2003 8:33 PM
> > > > To: 'northwest audi enthusiasts'; '* S List'; 'BIRA ORG'
> > > > Subject: [s-cars] I'm finally studly... (long)
> > > >
> > > >
> > > > (cross-posted to BIRA, S-cars and NW Audi)
> > > >
> > > > Since installing my BIRA Sys 6 brake setup, I wanted to
> > > install wheel
> > > > studs to make the wheel installation easier. At issue is the
> > > > additional 3mm of rotor hat thickness which sort of
> defeats the
> > > > hub-centric wheels where you put on the wheel, spin
> and slip in a
> > > > bolt - all at once. Studs
> > > > seemed like the best way to go, so I began researching
> the problem.
> > > >
> > > > The urS6/S4s use a pretty hefty lug bolt size (14x1.5mm).
> > > Removing one
> > >
> > > > lug bolt and measuring several times with a 16p nail,
> > > hooking the head
> > >
> > > > on the backside of the hub, I came up with a stud
> length target of
> > > > 60mm overall length. I figured this length should allow for a
> > > > to-be-sourced lug nut and still not protrude from the wheels.
> > > >
> > > > Calling a local vendor for H&R lugs I explained how I
> measured and
> > > > what I wanted. They got the lugs and I took them home.
> They were
> > > > wrong - too long by about 20mm! The studs consist of
> three areas:
> > > > hub thread, waist,
> > > > and lug thread. The length H&R quotes is lug thread. It makes
> > > > some sense
> > > > as you are supposed to thread in the lugs, bottoming them out
> > > > in the hub
> > > > on the waist of the stud. Re-order, this time in H&R's
> 40mm length.
> > > >
> > > > Meanwhile, I need some nuts. The stock wheels (and my
> 3 piece HRE
> > > > wheels) use a ball seat. The rub is that there just aren't any
> > > > aftermarket ball seat lug nuts. I checked with Tire Rack and
> > > > others, including searching the web. You can get the standard
> > > > steel ones, which I did. (Note: most aftermarket
> wheels use cone
> > > > seats and you won't have this problem - it's just that mine
> > > > didn't)
> > > >
> > > > I did discover though that Porsche also used 14x1.5mm
> lugs. They
> > > > previously used lug nuts (alloy even!) on all of their
> cars but
> > > > recently went to a funky lug bolt setup with spinning
> ball seat
> > > > collar. I went to the local P-car parts dept. and
> bought one of
> > > > the older
> > > black anodized
> > > > allot lug nuts. It was the right thread pitch and may
> fit, though
> > > > I wouldn't know until I installed the studs.
> > > >
> > > > I got the new studs today. I immediately removed a lug bolt
> > > and put in
> > >
> > > > a stud. It fits! I jacked up the car and installed all
> the studs
> > > > using red loctite and torqued them to 100 lb-ft with a
> double nut.
> > > > I put the wheel
> > > > back on and tightened a couple of the steel nuts on. I
> > > measured to see
> > > > if the stud would bottom out on the Porsche lugnut.
> Nope, it will
> > > > work. Yippee!
> > > >
> > > > Because I only had one Porsche nut, I installed the steel
> > > nuts. I have
> > >
> > > > found an aftermarket supplier (www.boothedesign.com)
> for Porsche
> > > > lug nuts in polished stainless. At $7 each, they're cheaper
> > > than the local
> > >
> > > > Porsche dealer, who wanted $10 apiece for the weaker (but
> > > > lighter) alloy
> > > > ones. Boothe Design can also provide matching locks.
> > > >
> > > > Moral of the story: order the 14x1.5mm studs in 40mm
> length and
> > > > hope your aftermarket wheels have cone seats. (you will need
> > > ball seat nuts
> > >
> > > > for the stock wheels)
> > > >
> > > > Steve Powers
> > > > 95.5 S6 Avant
> > > >
> > > > _______________________________________________
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> > > >
> > >
> > >
> > >
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